1 // Copyright 2011-2012 Renato Tegon Forti.
2 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
3 // Copyright 2015-2020 Antony Polukhin.
4 //
5 // Distributed under the Boost Software License, Version 1.0.
6 // (See accompanying file LICENSE_1_0.txt
7 // or copy at http://www.boost.org/LICENSE_1_0.txt)
8
9 // For more information, see http://www.boost.org
10
11 #include "../example/b2_workarounds.hpp"
12 #include <boost/dll.hpp>
13 #include <boost/core/lightweight_test.hpp>
14 #include <boost/function.hpp>
15 #include <boost/fusion/container.hpp>
16 // lib functions
17
18 typedef float (lib_version_func)();
19 typedef void (say_hello_func) ();
20 typedef int (increment) (int);
21
22 typedef boost::fusion::vector<std::vector<int>, std::vector<int>, std::vector<int>, const std::vector<int>*, std::vector<int>* > do_share_res_t;
23 typedef boost::shared_ptr<do_share_res_t> (do_share_t)(
24 std::vector<int> v1,
25 std::vector<int>& v2,
26 const std::vector<int>& v3,
27 const std::vector<int>* v4,
28 std::vector<int>* v5
29 );
30
refcountable_test(boost::dll::fs::path shared_library_path)31 void refcountable_test(boost::dll::fs::path shared_library_path) {
32 using namespace boost::dll;
33 using namespace boost::fusion;
34
35 std::vector<int> v(1000);
36
37 {
38 boost::function<say_hello_func> sz2
39 = import<say_hello_func>(shared_library_path, "say_hello");
40
41 sz2();
42 sz2();
43 sz2();
44 }
45
46 {
47 boost::function<std::size_t(const std::vector<int>&)> sz
48 = import_alias<std::size_t(const std::vector<int>&)>(shared_library_path, "foo_bar");
49 BOOST_TEST(sz(v) == 1000);
50 }
51
52
53 {
54 boost::function<do_share_t> f;
55
56 {
57 boost::function<do_share_t> f2 = import_alias<do_share_t>(shared_library_path, "do_share");
58 f = f2;
59 }
60
61 std::vector<int> v1(1, 1), v2(2, 2), v3(3, 3), v4(4, 4), v5(1000, 5);
62 boost::shared_ptr<do_share_res_t> res = f(v1, v2, v3, &v4, &v5);
63
64 BOOST_TEST(at_c<0>(*res).size() == 1); BOOST_TEST(at_c<0>(*res).front() == 1);
65 BOOST_TEST(at_c<1>(*res).size() == 2); BOOST_TEST(at_c<1>(*res).front() == 2);
66 BOOST_TEST(at_c<2>(*res).size() == 3); BOOST_TEST(at_c<2>(*res).front() == 3);
67 BOOST_TEST(at_c<3>(*res)->size() == 4); BOOST_TEST(at_c<3>(*res)->front() == 4);
68 BOOST_TEST(at_c<4>(*res)->size() == 1000); BOOST_TEST(at_c<4>(*res)->front() == 5);
69
70 BOOST_TEST(at_c<3>(*res) == &v4);
71 BOOST_TEST(at_c<4>(*res) == &v5);
72 BOOST_TEST(at_c<1>(*res).back() == 777);
73 BOOST_TEST(v5.back() == 9990);
74 }
75
76 {
77 boost::shared_ptr<int> i = import<int>(shared_library_path, "integer_g");
78 BOOST_TEST(*i == 100);
79
80 boost::shared_ptr<int> i2;
81 i.swap(i2);
82 BOOST_TEST(*i2 == 100);
83 }
84
85 {
86 boost::function<int&()> f = import_alias<int&()>(shared_library_path, "ref_returning_function");
87 BOOST_TEST(f() == 0);
88
89 f() = 10;
90 BOOST_TEST(f() == 10);
91
92 boost::function<int&()> f1 = import_alias<int&()>(shared_library_path, "ref_returning_function");
93 BOOST_TEST(f1() == 10);
94
95 f1() += 10;
96 BOOST_TEST(f() == 20);
97 }
98
99 {
100 boost::shared_ptr<const int> i = import<const int>(shared_library_path, "const_integer_g");
101 BOOST_TEST(*i == 777);
102
103 boost::shared_ptr<const int> i2 = i;
104 i.reset();
105 BOOST_TEST(*i2 == 777);
106 }
107
108 {
109 boost::shared_ptr<std::string> s = import_alias<std::string>(shared_library_path, "info");
110 BOOST_TEST(*s == "I am a std::string from the test_library (Think of me as of 'Hello world'. Long 'Hello world').");
111
112 boost::shared_ptr<std::string> s2;
113 s.swap(s2);
114 BOOST_TEST(*s2 == "I am a std::string from the test_library (Think of me as of 'Hello world'. Long 'Hello world').");
115 }
116 }
117
118 // exe function
exef()119 extern "C" int BOOST_SYMBOL_EXPORT exef() {
120 return 15;
121 }
122
123 // Unit Tests
main(int argc,char * argv[])124 int main(int argc, char* argv[]) {
125 using namespace boost::dll;
126
127 boost::dll::fs::path shared_library_path = b2_workarounds::first_lib_from_argv(argc, argv);
128 BOOST_TEST(shared_library_path.string().find("test_library") != std::string::npos);
129 BOOST_TEST(b2_workarounds::is_shared_library(shared_library_path));
130
131 refcountable_test(shared_library_path);
132
133 shared_library sl(shared_library_path);
134
135 BOOST_TEST(sl.get<int>("integer_g") == 100);
136
137 sl.get<int>("integer_g") = 10;
138 BOOST_TEST(sl.get<int>("integer_g") == 10);
139 BOOST_TEST(sl.get<int>(std::string("integer_g")) == 10);
140
141 BOOST_TEST(sl.get<say_hello_func>("say_hello"));
142 sl.get<say_hello_func>("say_hello")();
143
144 float ver = sl.get<lib_version_func>("lib_version")();
145 BOOST_TEST(ver == 1.0);
146
147 int n = sl.get<increment>("increment")(1);
148 BOOST_TEST(n == 2);
149
150 BOOST_TEST(sl.get<const int>("const_integer_g") == 777);
151
152 boost::function<int(int)> inc = sl.get<int(int)>("increment");
153 BOOST_TEST(inc(1) == 2);
154 BOOST_TEST(inc(2) == 3);
155 BOOST_TEST(inc(3) == 4);
156
157 // Checking that symbols are still available, after another load+unload of the library
158 { shared_library sl2(shared_library_path); }
159
160 BOOST_TEST(inc(1) == 2);
161 BOOST_TEST(sl.get<int>("integer_g") == 10);
162
163
164 // Checking aliases
165 boost::function<std::size_t(const std::vector<int>&)> sz
166 = sl.get_alias<std::size_t(const std::vector<int>&)>("foo_bar");
167
168 std::vector<int> v(10);
169 BOOST_TEST(sz(v) == 10);
170 BOOST_TEST(sl.get_alias<std::size_t>("foo_variable") == 42);
171
172
173 sz = sl.get<std::size_t(*)(const std::vector<int>&)>("foo_bar");
174 BOOST_TEST(sz(v) == 10);
175 BOOST_TEST(*sl.get<std::size_t*>("foo_variable") == 42);
176
177 { // self
178 shared_library sl(program_location());
179 int val = sl.get<int(void)>("exef")();
180 BOOST_TEST(val == 15);
181 }
182
183 int& reference_to_internal_integer = sl.get<int&>("reference_to_internal_integer");
184 BOOST_TEST(reference_to_internal_integer == 0xFF0000);
185
186 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
187 int&& rvalue_reference_to_internal_integer = sl.get<int&&>("rvalue_reference_to_internal_integer");
188 BOOST_TEST(rvalue_reference_to_internal_integer == 0xFF0000);
189 #endif
190
191 return boost::report_errors();
192 }
193
194